Sections Of The Spinal Cord
The very bottom of the spine is the sacral region.
Sections of the spinal cord. 8 cervical segments forming 8 pairs of cervical nerves c1 spinal nerves exit the spinal column between the foramen. The cervical spinal cord is the portion of the cord that is closest to the head. Serve as an attachment for the muscles and girdles that enable movement.
Near the spinal cord there are bulges calleddorsal root ganglia. They contain the cell bodies of the neurons heading back to the spinal cord. Knowing what each section does can help you to understand how your life might change because it can let you know what parts of your body will suffer effects.
Looking at a cross section of the spinal cord you would see gray matter shaped like a butterfly surrounded by white matter. Key areas of a cross section of the spinal cord include. The spinal cord is composed of nervous tissue.
At the back are two dorsal horns and away from the back are two ventral horns. Neurons are the basic unit of nervous tissue. Spinal cord cross section.
The white matter consists of myelinated fibres or axons that form nerve tracts ascending to and descending from the brain. Provide structural support and balance to maintain an upright posture. The gray matter is the core and ends up to be four projections that are known as horns.
Protect the spinal cord and related essential nerves. What are the 5 sections of the spine. The gray matter is the dark butterfly shaped region of the spinal cord made up of nerve cell bodies.